Meaning & use
equilateral
Having all sides of equal length, especially describing a triangle.
See it in a sentence
An equilateral triangle has three equal sides and three sixty-degree angles.
The students measured each side to confirm the shape was truly equilateral.
A note on using this word
Equilateral refers to equal side lengths, while equiangular refers to equal angles; a shape can have one without the other.
Words with a similar meaning
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